Population growth increases climate fear
Updated 11:26 pm, Monday, September 2, 2013
California has 157 endangered or threatened species, looming water shortages, eight of the 10 most air-polluted cities in the country and 725 metric tons of trash washing up on its coast each year.
California also has 38 million people, up 10 percent in the last decade, including 10 million immigrants. They own 32 million registered vehicles and 14 million houses. By 2050, projections show 51 million people living in the state, more than twice as many as in 1980.
In the public arena, almost no one connects these plainly visible dots.
For various reasons, linking the world’s rapid population growth to its deepening environmental crisis, including climate change, is politically taboo. In the United States, Europe and Japan, there has been public hand-wringing over falling birthrates and government policies to encourage child-bearing.
But those declining birthrates mask explosive growth elsewhere in the world.
In less than a lifetime, the world population has tripled, to 7.1 billion, and continues to climb by more than 1.5 million people a week.
A consensus statement issued in May by scientists at Stanford University and signed by more than 1,000 scientists warned that “Earth is reaching a tipping point.”
An array of events under way – including what scientists have identified as the sixth mass extinction in the earth’s 540 million-year history – suggest that human activity already exceeds earth’s capacity.
To read the full article, please click here: http://www.sfgate.com/science/article/Population-growth-increases-climate-fear-4781833.php
Current World Population
Net Growth During Your Visit